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S235JR Carbon steel forging and S235jrg2 Blind Flanges manufacturer in India


S235 Steel Flange



Buy Non-Alloy Steel S235J2G3 Pipe Flange for leak-proof connection, manufacturer of 1.0038 S235 Steel Slip On Flange and EN 10025 S235 Spectacle Blinds in India


Specification Of S235 Steel Flange


Specification S235 Steel Flange
Manufacturer Length NPS 1⁄₂" To NPS 48”
Face Type RTJ/ FF/ RF/ lap joint/ Male & Female / Tongue & Groove.
Schedule SCH 5S, SCH 10, SCH 40, SCH 80, SCH 120, SCH 160, SCH 180 To XXS
Flange Equipment Pushing Machine/ electric bevelling machine/ Press machine/ Bending machine/ Sand-blasting machine etc
Dimensions And Standard ASME B16.5
Production Technique Forged/ Heat treated and machined
Forging Methods Casting/ Forging/ Rolling/ Cutting
Coating Anti-rust Paint/ Zinc Plated/ Oil Black Paint/ Yellow Transparent/ Cold and Hot Dip Galvanized
Supporting Material Gasket/ Ring Joint/ Flange Bolts
Manufacturer of Forged/ Threaded/ Screwed / Plate
Application Bitumen upgraders
Heavy oil refineries.
Nuclear power (mostly seamless).
Petrochemicals and acids.
Flange Test Hydrostatic testing machine/ UI trasonic flaw detector/ X-ray detector/ Direct-reading Spectrograph/ Magnetic particle detector
Test Certificates EN 10204/3.1B
Raw Materials Certificate
100% Radiography Test Report
Third Party Inspection Report, etc

The advantage of purchasing Carbon steel S235jrg2 Weld Neck Flange and 1.0037 S235 Orifice Flanges directly from manufacturers is the reduced cost and wide selection which saves your time


S235JR Flanges Price List


Type Of Flange Size In Inch SCH Class Grade Price In INR (India) Per Piece
Weld Neck Flange 3/4 40 150 Carbon Steel S235 145.00
- 1 40 150 - 284.00
- 2 40 150 - 393.00
- 3 40 150 - 878.00
- 4 80 300 - 1267.00
- 6 80 300 - 1478.00
- 8 80 300 - 1867.00
- 10 80 300 - 2265.00
Weld Neck Flange 12 80 300 Carbon Steel S235 2663.00

Exporter of S235J2G3 Steel Socket Weld Flange and 1.4404 S235 Spectacle Blind Flange with hydrostatic test pressure & MTR

Types Of S235JR Carbon Steel Flange


En 10025 S235jr Flanges

En 10025 S235jr Flanges

En S235 Steel Flanges

En S235 Steel Flanges

S235 Galvanized Flanges

S235 Galvanized Flanges

S235 Grade Steel Flanges

S235 Grade Steel Flanges

Din S235jr Flanges

Din S235jr Flanges

S235 Din En 1993-1-1 Flanges

S235 Din En 1993-1-1 Flanges

Steel S235 Blind flange

Steel S235 Blind flange

 S235 Weld Neck Flange

S235 Weld Neck Flange

S235 Slip On Flange

S235 Slip On Flange

S235J2G3 Threaded Flange

S235J2G3 Threaded Flange

 En 10025 S235jr Socket Weld Flange

En 10025 S235jr Socket Weld Flange

Steel S235 Lap joint flange

Steel S235 Lap joint flange

En 10025 S235jr Pipe Flanges

En 10025 S235jr Pipe Flanges

 En S235 Flanges

En S235 Flanges

S235 Galvanized Steel Flanges

S235 Galvanized Steel Flanges

Grade S235 Steel Flanges

Grade S235 Steel Flanges

 DIN EN 10025 S235jr Flanges

DIN EN 10025 S235jr Flanges

CS S235 Din En 1993-1-1 Flanges

CS S235 Din En 1993-1-1 Flanges

S235 Steel Flange

S235 Steel Flange

 S235JR Flanges

S235JR Flanges

S235jrg2 flange

S235jrg2 flange

S235 Flange

S235 Flange

 S235 Pipe Flange

S235 Pipe Flange

S235 Forged Flange

S235 Forged Flange

Carbon Steel S235 Flanges

Carbon Steel S235 Flanges

 S235JR Carbon Steel Flange

S235JR Carbon Steel Flange

DIN 2576 S235JR Flange

DIN 2576 S235JR Flange

Mild Steel S235 Flanges

Mild Steel S235 Flanges

 S235 Mild Steel Flange

S235 Mild Steel Flange

S235 Carbon Steel Plate Flange

S235 Carbon Steel Plate Flange


15 NB - 200 NB 1.0308 S235 Steel Plate Flange and S235jrg2 WNRF, BLRF, SORF Flange manufacturer in India

S235 Equivalent Grade In India


S235 S275 S355
A283C A570Gr40 A572Gr50

S235 Tensile Strength


Grade Of Structural Steel Tensile Strength MPa at Nom thickness between 3mm and 16mm
S235 Steel Flange 360 – 510 MPa
S275 Flange 370 – 530 MPa
S355 Flange 470 – 630 MPa

S235 Temperature Range


Impact Resistance

Temperature

Temperature code Testing temperature Impact code Testing strength
R +20 °C J 27 J
0 0 °C K 40 J
2 -20 °C L 60 J

S235 Yield Strength


Grade Of Structural Steel at 16mm Minimum Yield Strength at nominal thickness 16mm
S235 Steel Flange 33 000 ksi 235 N/mm 2
S275 Flange 36 000 ksi 275 N/mm 2
S355 Flange 50 000 ksi 355 N/mm 2

Vishal Steel Is Prominent S235 Steel Flange Suppliers In South And North America, Europe And West Africa:

S235jrg2 Blind Flanges

S235jrg2 Blind Flanges

Netherlands, USA, United States, Canada.

EN 1.0038 S235 Steel Slip On Flange

EN 1.0038 S235 Steel Slip On Flange

Singapore, Vietnam, Mexico, Denmark.

Carbon steel S235jrg2 Weld Neck Flange

Carbon steel S235jrg2 Weld Neck Flange

Thailand, Finland, Russia, Belgium.


S235 Hardness


Grade Brinell hardness, HB max
S235 100 – 154
S275 121 – 163
S355 146 – 187
S420 143 – 184

S235 Chemical Composition


Composition Chemical content % by weight

S235 Steel Flange

S275 Flange

S355 Flange

S420 Flange

Manganese (Mn) maximum 1.6 1.6 1.6 1.6
Silicon (Si) maximum 0.05 0.05 0.05 0.5
Carbon (C) maximum 0.22 0.25 0.23 0.12
Phosphorus (P) maximum 0.05 0.04 0.05 0.025
Sulfur (S) maximum 0.05 0.05 0.05 0.015

S235 Mechanical Properties


Grade Tensile strength, Rm, MPa (N/mm2) 0,2% Yield strength, Rp0, 2minimum, (MPa)

S235 Steel Flange

360 – 510 235

S275 Flanges

370 – 530 275

S355 Flanges

470 – 630 355

S420 Flanges

480 – 620 420

En 10025 S235jr Flanges Dimensions

  • Type: Plate Flange, PL
  • Material: S235JR.
  • Others: Smooth Surface.
  • Pressure: PN10.
  • Size: DN250 (10 Inch).
  • Standard: DIN 2576.

Rated Diameter Pipe Flange Screws Weight In KG
(X) (C) (D) (T) (h) (Thread) (Bolt holes) (Kilogram)
200 219,1 221,5 295 340 24 22 M20 8 9,244
250 273,0 276,5 350 395 26 22 M20 12 11,788
300 323,9 327,5 400 445 26 22 M20 12 13,578
350 355,6 359,5 460 505 30 22 M20 16 21,766
400 406,4 411,0 515 565 32 26 M24 16 27,436
450 457,2 462,0 565 615 36 26 M24 20 33,470
500 508,0 513,5 620 670 38 26 M24 20 40,103
600 610,0 616,5 725 780 42 30 M27 20 54,297
700 711,0 714,2 840 895 50 30 M27 24 82,777
800 813,0 815,8 950 1015 56 33 M30 24 116,534
900 914,0 917,4 1050 1115 62 33 M30 28 141,425
1000 1016,0 1019,0 1160 1230 70 36 M33 28 188,561
1200 1219,0 1224,0 1380 1455 83 39 M36 32 290,884

En S235 Steel Flanges Weight Chart


Pressure Class Nominal Size Of Pipe  (NPS) Slip On (SORF Flange) Threaded (NPT Flange) Socket Weld (SWRF Flange) Lap Joint (LOOSE Flange) Blind (BLR FlangeF) Weld Neck (WNRF Flange)
Class 150 Flange ½  1 1 2 1 2 2
¾ 2 2 2 2 2 2
1 2 2 2 2 2 3
3 3 3 3 3 3
1½  3 3 3 3 4 4
2    5 5 5 5 5 6
2½  8 8 8 8 7 10
3    9 9 9 9 9 11.5
3½  11 12 11 11 13 12
4    13 13 13 13 17 16.5
5    15 15 15 15 20 21
6    19 19 19 19 27 26
8    30 30 30 30 47 42
10    43 43 43 43 70 54
12    64 64 64 64 123 88
14    90 90 90 105 140 114
16    106 98 98 140 180 140
18    130 130 130 160 220 165
20    165 165 165 195 285 197
22    185 185 185 245 355 225
24    220 220 220 275 430 268
Pressure Class Nominal Size Of Pipe  (NPS) Slip On (SORF) Threaded (NPT) Socket Weld (SWRF) Lap Joint (LOOSE) Blind (BLRF) Weld Neck (WNRF)
Class 300 Flange ½ 2 2 3 2 2 2
¾ 3 3 3 3 3 3
1    3 3 3 3 4 4
4.5 4.5 4 4.5 6 5
1½  6.5 6.5 6 6.5 7 7
2    7 7 7 7 8 9
2½  10 10 10 10 12 12
3    13 14 13 14.5 16 18
3½  17 17 17 17 21 20
4    23.5 24 22 24 28 26.5
5    29 31 28 28 37 36
6    39 39 39 39 50 45
8 58 58 58 58 81 69
10 81 81 81 91 124 100
12 115 115 115 140 185 142
14 165 165 165 190 250 206
16 210 220 190 234 315 250
18 253 280 250 305 414 320
20 315 325 315 375 515 400
22 370 370 370 435 640 465
24 490 490 475 550 800 580
Pressure Class Nominal Size Of Pipe  (NPS) Slip On (SORF) Threaded (NPT) Socket Weld (SWRF) Lap Joint (LOOSE) Blind (BLRF) Weld Neck (WNRF)
Class 400 Flange ½  2 2 2 2 2 3
¾ 3 3 3 3 3 3.5
1 3.5 3.5 3.5 3.5 4 4
4.5 4.5 4.5 4.5 6 4.5
1½  6.5 6.5 6.5 6.5 8 8
2    8 8 8 8 10 10
2½  12 12 12 11 15 14
3    15 15 15 14 20 18
3½  21 21 21 20 29 26
4    26 26 26 25 33 35
5    31 31 31 29 44 43
6    44 44 44 42 61 57
8    67 67 67 64 100 89
10    91 91 91 110 155 125
12    130 130 130 152 226 175
14    191 191 191 210 310 233
16    253 253 253 280 398 295
18   nbsp; 310 310 310 345 502 360
20    378 378 378 420 621 445
22    405 405 405 455 720 505
24    539 539 539 615 936 640
Pressure Class Nominal Size Of Pipe  (NPS) Slip On (SORF) Threaded (NPT) Socket Weld (SWRF) Lap Joint (LOOSE) Blind (BLRF) Weld Neck (WNRF)
Class 600 Flange ½ 2 2 2 2 3 3
¾ 3 3 3 3 4 4
1    4 4 4 4 4 4
5 5 5 5 6 6
1½  7 7 7 7 8 8
2    9 9 9 9 10 12
2½  13 13 13 12 15 18
3    16 16 16 15 20 23
3½  21 21 21 20 29 26
4    37 37 37 36 41 42
5    63 63 63 63 68 68
6    80 80 80 78 86 81
8 115 15 15 112 140 120
10 177 177 177 195 231 190
12 215 215 215 240 295 226
14 259 259 259 290 378 347
16 366 366 366 400 527 481
18 476 476 476 469 665 555
20 612 612 612 604 855 690
22 590 590 590 670 1000 720
24 876 876 876 866 1250 977
Pressure Class Nominal Size Of Pipe  (NPS) Slip On (SORF) Threaded (NPT) Socket Weld (SWRF) Lap Joint (LOOSE) Blind (BLRF) Weld Neck (WNRF)
Class 900 Flange ½  6 6 6 6 4 7
¾ 6 6 6 6 6 7
1 7.5 7.5 7.5 7.5 9 8.5
10 10 10 10 10 10
1½  14 14 14 14 14 14
2    22 22 22 21 25 24
2½  31 31 31 25 32 31
3    36 36 36 29 35 36
4    53 53 53 51 54 53
5    83 83 83 81 87 86
6    110 110 110 105 115 110
8    172 172 172 190 200 187
10    245 245 245 277 290 268
12    326 326 326 371 415 372
14    400 400 400 415 520 562
16    459 459 459 488 619 685
18    647 647 647 670 880 924
20    792 792 792 868 1107 1164
24    1480 1480 1480 1659 2099 2107
Pressure Class Nominal Size Of Pipe  (NPS) Slip On (SORF) Threaded (NPT) Socket Weld (SWRF) Lap Joint (LOOSE) Blind (BLRF) Weld Neck (WNRF)
Class 1500 Flange ½ 6 6 6 6 4 7
¾ 6 6 6 6 6 7
1    8 8 8 8 9 9
10 10 10 10 10 10
1½  14 14 14 14 14 14
2    25 25 25 25 25 25
2½  36 36 36 35 35 36
3    48 48 48 47 48 48
4    73 73 73 75 73 73
5    132 132 132 140 140 132
6    165 165 165 170 160 165
8    260 260 260 286 302 275
10 436 436 436 485 510 455
12 667 667 667 749 775 690
14 940 940 940 890 975 940
16 1250 1250 1250 1250 1300 1250
18 1625 1625 1625 1475 1750 1625
20 2050 2050 2050 1775 2225 2050
24 2825 2825 2825 2825 3625 3325
Pressure Class Nominal Size Of Pipe  (NPS) Slip On (SORF) Threaded (NPT) Socket Weld (SWRF) Lap Joint (LOOSE) Blind (BLRF) Weld Neck (WNRF)
Class 2500 Flange ½  …. 7 …. 7 7 8
¾ …. 9 …. 8 10 9
1 …. 12 …. 12 12 13
…. 18 …. 17 18 20
1½  …. 25 …. 24 25 28
2    …. 38 …. 37 39 42
2½  …. 55 …. 53 56 52
3    …. 83 …. 80 86 94
4    …. 127 …. 122 133 146
5    …. 210 …. 204 223 244
6    …. 323 …. 314 345 378
8    …. 485 …. 471 533 576
10    …. 925 …. 897 1025 1068
12    …. 1300 …. 1262 1464 1608

S235 Galvanized Flanges Size


S235 Galvanized Flanges Size

S235 Grade Steel Flanges Torque Values


Flange Size Inch Flange Size MM (Maximum) Radial Projection
No Deeper Than the Bottom In Millimeter Deeper Than the Bottom In Millimeter
1/2 15 3.0 1.5
3/4 20 3.0 1.5
1 25 3.0 1.5
1 1/4 32 3.0 1.5
1 1/2 40 3.0 1.5
2 50 3.0 1.5
2 1/2 65 3.0 1.5
3 80 4.5 1.5
3 1/2 90 6.0 3.0
4 100 6.0 3.0
5 125 6.0 3.0
6 150 6.0 3.0
8 200 8.0 4.5
10 250 8.0 4.5
12 300 8.0 4.5
14 350 8.0 4.5
16 400 10.0 4.5
18 450 12.0 6.0

Carbon Steel S235 Flanges Wall Thickness


Normal Size Of Pipe Outer Diameter (O.D.) 10 Schedule 20 Schedule 30 Schedule STD Wall 40 Schedule 60 Schedule EXT Hvy 80 Schedule 100 Schedule 120 Schedule 140 Schedule 160 Schedule XX Hvy
½ 0.84 0.083 ... ... 0.109 0.109 ... 0.147 0.147 ... ... ... 0.188 0.294
¾ 1.05 0.083 ... ... 0.113 0.113 ... 0.154 0.154 ... ... ... 0.219 0.308
1 1.315 0.109 ... ... 0.133 0.133 ... 0.179 0.179 ... ... ... 0.25 0.358
1 ¼ 1.66 0.109 ... ... 0.14 0.14 ... 0.191 0.191 ... ... ... 0.25 0.382
1 ½ 1.9 0.109 ... ... 0.145 0.145 ... 0.2 0.2 ... ... ... 0.281 0.4
2 2.375 0.109 ... ... 0.154 0.154 ... 0.218 0.218 ... ... ... 0.344 0.436
2 ½ 2.875 0.12 ... ... 0.203 0.203 ... 0.276 0.276 ... ... ... 0.375 0.552
3 3.5 0.12 - - 0.216 0.216 - 0.3 0.3 - - - 0.438 0.6
3 ½ 4 0.12 - - 0.226 0.226 - 0.318 0.318 - - - - 0.636
4 4.5 0.12 - - 0.237 0.237 - 0.337 0.337 - 0.438 - 0.531 0.674
5 5.563 0.134 - - 0.258 0.258 - 0.375 0.375 - 0.5 - 0.625 0.75
6 6.625 0.134 - - 0.28 0.28 - 0.432 0.432 - 0.562 - 0.719 0.864
8 8.625 0.148 0.25 0.277 0.322 0.322 0.406 0.5 0.5 0.594 0.719 0.812 0.906 0.875
10 10.75 0.165 0.25 0.307 0.365 0.365 0.5 0.5 0.594 0.719 0.844 1 1.125 1
12 12.75 0.18 0.25 0.33 0.375 0.406 0.562 0.5 0.688 0.844 1 1.125 1.312 1
14 14 0.25 0.312 0.375 0.375 0.438 0.594 0.5 0.75 0.938 1.094 1.25 1.406 -
16 16 0.25 0.312 0.375 0.375 0.5 0.656 0.5 0.844 1.031 1.219 1.438 1.594 -
18 18 0.25 0.312 0.438 0.375 0.562 0.75 0.5 0.938 1.156 1.375 1.562 1.781 -
20 20 0.25 0.375 0.5 0.375 0.594 0.812 0.5 1.031 1.281 1.5 1.75 1.969 -
22 22 0.25 - - 0.375 - - 0.5 - - - - - -
24 24 0.25 0.375 0.562 0.375 0.688 0.969 0.5 1.219 1.531 1.812 2.062 2.344 -
26 26 - - - 0.375 - - 0.5 - - - - - -
30 30 0.312 0.5 0.625 0.375 - - 0.5 - - - - - -

S235JR Carbon Steel Flange Bolt Size


S235JR Carbon Steel Flange Bolt Size
Class 150Class 300Class 600
NPS# Studs And BoltsDiameter of Studs And BoltsLength of Stud# Studs And BoltsDiameter of Studs And BoltsLength of Stud# Studs And BoltsDiameter of Studs And BoltsLength of Stud
1/16 RFRTJ1/16 RFRTJ1/4 RFRTJ
1/240.502-1/440.502-1/2340.5033
3/440.502-1/240.6333-1/240.633-1/23-1/2
140.502-1/2340.6333-1/240.633-1/23-1/2
1-1/440.502-3/43-1/440.633-1/43-3/440.633-3/43-3/4
1-1/240.502-3/43-1/440.753-1/2440.754-1/44-1/4
240.633-1/43-3/480.633-1/2480.634-1/44-1/4
2-1/240.633-1/2480.7544-1/280.754-3/44-3/4
340.633-1/2480.754-1/44-3/480.7555
3-1/280.633-1/2480.754-1/4580.885-1/25-1/2
480.633-1/2480.754-1/2580.885-3/45-3/4
580.753-3/44-1/480.754-3/45-1/481.006-1/26-1/2
680.7544-1/2120.754-3/45-1/2121.006-3/46-3/4
880.754-1/44-3/4120.885-1/26121.137-1/27-3/4
10120.884-1/25161.006-1/46-3/4161.258-1/28-1/2
12120.884-3/45-1/4161.136-3/47-1/4201.258-3/48-3/4
14121.005-1/45-3/4201.1377-1/2201.389-1/49-1/4
16161.005-1/45-3/4201.257-1/28201.501010
18161.135-3/46-1/4241.257-3/48-1/4201.6310-3/410-3/4
20201.136-1/46-3/4241.2588-3/4241.6311-1/411-1/2
24201.256-3/47-1/4241.50910241.881313-1/4

Class 900Class 1500Class 2500
NPS# Studs And BoltsDiameter of Studs And BoltsLength of Stud# Studs And BoltsDiameter of Studs And BoltsLength of Stud# Studs And BoltsDiameter of Studs And BoltsLength of Stud
1/4 RFRTJ1/4 RFRTJ1/4 RFRTJ
1/240.754-1/44-1/440.754-1/44-1/440.754-3/44-3/4
3/440.754-1/24-1/240.754-1/24-1/240.7555
140.885540.885540.885-1/25-1/2
1-1/440.885540.885541.0066
1-1/241.005-1/25-1/241.005-1/25-1/241.136-3/46-3/4
280.885-3/45-3/480.885-3/45-3/481.0077
2-1/281.006-1/46-1/481.006-1/46-1/481.137-3/48
380.885-3/45-3/481.137781.258-3/49
481.136-3/46-3/481.257-3/47-3/481.501010-1/4
581.257-1/27-1/281.509-3/49-3/481.7511-3/412-1/4
6121.137-1/27-3/4121.3810-1/410-1/282.0013-1/214
8121.388-3/48-3/4121.6311-1/211-3/4122.001515-1/2
10161.389-1/49-1/4121.8813-1/413-1/2122.5019-1/420
12201.381010162.0014-3/415-1/4122.7521-1/422
14201.5010-3/411162.251616-3/4
16201.6311-1/411-1/2162.5017-1/218-1/2
18201.8812-3/413-1/4162.7519-1/220-3/4
20202.0013-3/414-1/4163.0021-1/422-1/4
24202.5017-1/418163.5024-1/425-1/2

Facing Type Of S235 Mild Steel Flange


Facing Type Of S235 Mild Steel Flange

  • Type A: Flat Face (FF)
  • Type B: Raised Face (RF)
  • Type C: Tongue Face (TF)
  • Type D: Grooved Face (GF)
  • 1Type E: Spigo
  • Type F: Recess
  • Type G: Ring Recess
  • Type H: O-Ring Groove

Tolerance Of S235 Carbon Steel Plate Flange


ST37.2 Steel Flange DiameterTolerance
(A) (Outer Diameter)
  • When Outer Diameter is 24 Inch or less: ±1/16" (1.6 mm)
  • When Outer Diameter is over 24": ±1/8" (3.2 mm)
(D) (Inner Diameter)
  • 10 Inches and smaller: ±1/32" (0.8 in mm)
  • 12 Inches thru 18": +1/8" (3.2 in mm)
  • 20 Inches and larger: -1/16" (1.6 in mm)
(B) Contact Face
  • 1/16" (RF): ±1/32" (0.8 mm)
  • 1/4" (RF), Tongue And Groove (male And female): ±1/64" (0.4 mm)
(J) Hub At Base Dai.
  • When hub base is 24 inches or smaller: ±1/16" (1.6 millimeter)
  • When hub base is over 24": ±1/8" (3.2 millimeter)
(H) Diameter of hub at point of welding
  • 5 inch or smaller: +3/32" (2.4 mm), -1/32" (0.8 millimeter)
  • 6 inch or larger: +5/32" (4.0 millimeter), -1/32 (0.8 mm)
(P) Drilling
  • (B.C.): ±1/16" (1.6 mm)
  • (B.H.) spacing: ±1/32" (0.8 mm)
  Eccentricity of (bc) with respect to facing
  • 2 1/2" or smaller ±1/32" (0.8 mm) max.
  • 3" or larger ±1/16" (1.6 mm) max.
(C) (W.T.)
  • 18 inch or smaller: ±1/8" (3.2 mm), -0"
  • 20 inch or larger: ±3/16" (4.8 mm), -0"
(K) hub Length
  • 10 Inch or smaller: ±1/16" (1.6 millimeter)
  • 12 Inch or larger: ±1/8" (3.2 millimeter)

Steel S235 Blind Flange Manufacturing Process


Steel S235 Blind Flange Manufacturing Process

Raw Material

  • Raw Materia
  • Materia Dimension And Visual
  • Materia Quantity
Steel S235 Blind Flange Manufacturing Process

Inspection

  • Chemical And Mechanical Analysis
  • Analysis Of Preservation Certificate
Steel S235 Blind Flange Manufacturing Process

Cutting

  • Cut Surface
  • Marking
  • Weight Measuring
Steel S235 Blind Flange Manufacturing Process

Forging Flange

  • Grade Of Material
  • Control Flange Temperature
Steel S235 Blind Flange Manufacturing Process

Heat Treatment

  • Flange Solution Treatment
  • Flanges Mechanical Test
  • Normalizing
Steel S235 Blind Flange Manufacturing Process

Forging Rolling Of Flange

  • Check Dimension
  • Check Marking
  • Check Weight
Steel S235 Blind Flange Manufacturing Process

Final Inspection Of Pipe Flange

  • Test Of Visual
  • Test Of Nondestructive
Steel S235 Blind Flange Manufacturing Process

Rust Prevention

  • View Preserve
  • Marking
  • Heat Number
Steel S235 Blind Flange Manufacturing Process

Packaging

  • Specification Of Packing
  • Inspection Of Packing
  • Delivery Time And Day

Mild Steel S235 Flanges Applications


  • Specialty Chemicals
  • Power Generation
  • Condensers
  • Chemical Equipment
  • Gas Processing
  • Pulp and Paper Industry
  • Sea Water Equipment
  • Pharmaceutical Equipment
  • Off-Shore Oil Drilling Companies
  • Petrochemicals
  • Heat Exchangers
  • Pharmaceuticals

Gaskets For S235 Mild Steel Flange


Gaskets For S235 Mild Steel Flange
(Normal Size Of Steel Pipes) In Inch (I.D.) Inner Daimeter Gasket
(O.D.) Outer Daimeter Gasket
Class 150#/ LB Class 300#/ LB Class 400#/ LB Class 600#/ LB Class 900#/ LB
1/2 0.84 1.875 2.125 2.125 2.125 2.50
3/4 1.06 2.25 2.625 2.625 2.625 2.75
1 1.31 2.625 2.875 2.875 2.875 3.125
1 1/4 1.66 3 3.25 3.25 3.25 3.50
1 1/2 1.91 3.375 3.75 3.75 3.75 3.875
2 2.38 4.125 4.375 4.375 4.375 5.625
2 1/2 2.88 4.875 5.125 5.125 5.125 6.50
3 3.50 5.375 5.875 5.875 5.875 6.625
4 4.50 6.875 7.125 7.00 7.625 8.125
5 5.56 7.75 8.50 8.375 9.50 9.75
6 6.62 8.75 9.875 9.75 10.50 11.375
8 8.62 11 12.125 12.00 12.625 14.125
10 10.75 13.375 14.25 14.125 15.75 17.125
12 12.75 16.125 16.625 16.50 18.00 19.625

EN 10025 S235 Equivalent


S235JR EN 1.0038
S235J2 EN 1.0117
S275JR EN 1.0044
S275J2 EN 1.0145
S355JR EN 1.0045
S355J0 EN 1.0553
S355J2 EN 1.0577
S420M EN 1.8827

Hole Diameter Of S235 Steel Flange


Hole Diameter Of S235 Steel Flange

S235 Flange Elongation


S235JR Flanges Elongation A/% (3mm≤t≤40mm) minimum 26

What Is Structural Steel Flange?


What Is Structural Steel Flange